Examining community perspectives on integrated service delivery for tuberculosis, mental health and substance use disorder in Nigeria: A qualitative study - Martin Njoku; Charles Nwafor; Chinwe Eze; Okechukwu Ezeakile; Anthony Meka; Ngozi Ekeke; Iyama Francis; Daniel Egbule; Joseph Chukwu; Charles Esekhaigbe; Chijioke Osakwe; Edmund Ndudi Ossai; et al. (PLoS ONE, 2026)